INFOR EAM 11.0 Build 201410 – Persistent Cross-Site Scripting via Comment Fields

• Exploit Database
• 60 阅读

• 作者： Yoroi
  日期： 2017-05-17
• 类别：

  • webapps
  平台：

  • xml
• 来源：https://www.exploit-db.com/exploits/42029/

• Stored XSS in INFOR EAM V11.0 Build 201410 via comment fields
  -------------------
  Assigned CVE: CVE-2017-7953
  
  Reproduction steps:
  -------------------
  1. Log in with your EAM account
  2. Go to the jobs page
  3. Click on a record and open its page
  4. Go to "Comments" tab
  4. Click the add new comment button
  5. Insert a comment containing javascript code, e.g. <img src=fakesource onerror="alert(document.cookie)"> Fake comment here
  6. Save, and after page reloading the XSS should trigger
  
  Example:
  -------------------
  PoC Screenshot: https://www.dropbox.com/s/2b859x9go8v9f2l/xss.png?dl=0
  
  
  Exploitability
  -------------------
  In EAM software user comments have read classification to every 
  authenticated users. Any authenticated user could became a valid victim to 
  the described attack by navigate (spontaneously or not) to the infected 
  page. The comment visualization triggers injected javascript code.
  On the other side any user able to write a comment could become a possible 
  attacker by introducing javascript into the comment body.
  
  Impact
  -------------------
  By reading browser cookies an attacker could ultimately grab administrative 
  credentials having access to each available EAM action.
  The vulnerability could ultimately allow an attacker to steal credential, 
  leak sensitive data, trick user to download malware.
  
  Disclosure timeline
  -------------------
  
  26.04.2017 Vulnerability reported to vendor
  15.05.2017 Advisory published